ARRIS DG2470 DG2470 series is a 4-port DOCSIS 3.0 Gateway (24x8 Channel Bonding). The product will provide 802.11n and 802.11 Wi-Fi and has Quad-Port Gigabit Ethernet and USB User Manual Touchstone DG1680 Data Gateway User Guide

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Document Author:	Bob Schultz "ARRIS Global Knowledge Systems"

Touchstone DG1680 Data
Gateway
User Guide
Release 16 STANDARD 1. 3
March 2015
Touchstone DG1680 Data Gateway User Guide
Release 16 STANDARD 1.3
ARRIS Copyrights and Trademarks
© ARRIS Enterprises, Inc. 20 15 All rights reserved. No part of this publication m ay be
reproduced in any form or by any m eans or used to m ake any derivative work (such as
translation, transform ation, or adaptation) without written perm ission from ARRIS
Enterprises, Inc. (“ARRIS”). ARRIS reserves the right to revise this publication and to
m ake changes in content from tim e to tim e without obligation on the part of ARRIS to
provide notification of such revision or change.
ARRIS and the ARRIS logo are all tradem arks of ARRIS Enterprises, Inc. Other
tradem arks and trade nam es m ay be used in this docum ent to refer to either the entities
claim ing the m arks and the nam es of their products. ARRIS disclaim s proprietary
interest in the m arks and nam es of others.
ARRIS provides this guide without warranty of any kind, im plied or expressed, including,
but not lim ited to, the im plied warranties of m erchantability and fitness for a particular
purpose. ARRIS m ay m ake im provem ents or changes in the product(s) described in this
m anual at any tim e.
The capabilities, system requirem ents and/ or com patibility with third-party products
described herein are subject to change without notice.
Patent Notice
Protected under one or m ore of the following U.S. patents: http:/ / www.arris.com / legal
Other patents pending.
Table of Cont ents
Chapter 1.
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Int roduct ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Get t ing Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Chapter 2.
Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
FCC Part 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
RF Exposure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Indust ry Canada Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
For Mexico . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Chapter 3.
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
About Your New Dat a Gat eway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
What 's in t he Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
It ems You Need . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Get t ing Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Syst em Requirement s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Recommended Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
MacOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Linux/ ot her Unix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
About t his Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
What about Securit y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Et hernet or Wi reless?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Chapter 4.
Installing and Connecting your Data Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Sel ect ing an Inst al lat ion Locat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Deskt op Mount ing Inst ruct ions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Fact ors Af f ect ing Wireless Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Connect i ng t he Dat a Gat eway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Conf iguring Your Wirel ess Connect ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Accessing t he Conf igurat ion Int erf ace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Set t ing Parent al Cont rols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Finding t he MAC Address of a Comput er . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Making Your Parent al Cont rol Set t ings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Chapter 5.
Configuring Your Ethernet Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Requirement s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
How t o use t his Chapt er . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
TCP/ IP Conf igurat ion f or Windows XP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
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TCP/ IP Conf igurat ion f or Windows Vist a . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
TCP/ IP Conf igurat ion f or Windows 7 or Windows 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
TCP/ IP Conf igurat ion f or MacOS X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Chapter 6.
Using the Data Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Set t ing up Your Comput er t o Use t he Dat a Gat eway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Indicat or Light s f or t he DG1680 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Pat t erns: Normal Operat ion (LAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Pat t erns: Normal Operat ion (WAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Cable Modem St art up Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Using t he Reset But t on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Reset t i ng t he Rout er t o Fact ory Def ault s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Chapter 7.
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
The Dat a Gat eway is plugged in, but t he Power light i s Of f . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
I'm not get t ing on t he Int ernet (al l connect ions) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
I'm not get t ing on t he Int ernet (Et hernet ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
I'm not get t ing on t he Int ernet (Wireless) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
My wireless Int ernet connect ion st ops working somet i mes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
I can get on t he Int ernet , but everyt hi ng is slow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Chapter 8.
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
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Chapt er 1
Overview
Introduction
Get ready to experience the Internet’s express lane! Whether you’re checking out stream ing
m edia, downloading new software, checking your em ail, or talking with friends on the
phone, the Touchstone DG1680 Data Gateway brings it all to you faster and m ore reliably.
The Touchstone DG1680 Data Gateway provides four Ethernet connections for use as the
hub of your hom e/ office Local Area Network (LAN). The DG1680 also provides
80 2.11a/ b/ g/ n/ ac wireless connectivity for enhanced m obility and versatility. The Data
Gateway also offers integrated MoCA 2.0 hom e networking providing Internet access and
transfer of m ultim edia content between devices over coaxial cable in the hom e.
Installation is simple and your cable com pany will provide assistance to you for any special
requirem ents.
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Chapter 1: Overview
Getting Support
If you need assistance with your ARRIS product please contact your cable com pany.
For additional technical inform ation and product User Guides please visit the ARRIS
Support website at http:/ / www.arris.com / consumer.
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Chapt er 2
Safety Requirements
The ARRIS Data Gateway complies with the applicable requirem ents for perform ance,
construction, labeling, and inform ation when used as outlined below:
CAU TION
Ris k o f s h o ck
Mains voltages inside this unit. No user serviceable parts inside. Refer service to qualified personn el
only!

Do not use product near water (i.e. wet basem ent, bathtub, sink or near a swim m ing
pool, etc.), to avoid risk of electrocution.

The product shall be cleaned using only a dam p, lint-free, cloth. No solvents or
cleaning agents shall be used.

Do not use spray cleaners or aerosols on the gateway.

Avoid using and/ or connecting the equipm ent during an electrical storm , to avoid risk
of electrocution.

Do not locate the equipment within 6 feet (1.9 m ) of a flam e or ignition source (i.e. heat
registers, space heaters, fireplaces, etc.).

Use only the AC power adapter (if provided) and power cord included with the
equipm ent.

Equipm ent should be installed near the power outlet and should be easily accessible.

The shield of the coaxial cable m ust be connected to earth (grounded) at the entrance
to the building in accordance with applicable national electrical installation codes. In
the U.S., this is required by NFPA 70 (National Electrical Code) Article 820 . In the
European Union and in certain other countries, CATV installation equipotential
bonding requirem ents are specified in IEC 60 728 -11, Cable netw orks for television
signals, sound signals and interactive services, Part 11: Safety. This equipm ent is
intended to be installed in accordance with the requirem ents of IEC 60 728-11 for safe
operation.

If the equipm ent is to be installed in an area serviced by an IT power line network, as is
found in m any areas of Norway, special attention should be given that the installation
is in accordance with IEC 60 728-11, in particular Annex B and Figure B.4.

In areas of high surge events or poor grounding situations and areas prone to lightning
strikes, additional surge protection m ay be required (i.e. PF11VNT3 from Am erican
Power Conversion) on the AC, RF, Ethernet and Phone lines.

When the Data Gateway is connected to a local com puter through Ethernet cables, the
computer m ust be properly grounded to the building/ residence AC ground network. All
plug-in cards within the computer m ust be properly installed and grounded to the
computer fram e per the m anufacturer’s specifications.
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Chapter 2: Safety Requirements

Ensure proper ventilation. Position the Data Gateway so that air flows freely around it
and the ventilation holes on the unit are not blocked.

Do not m ount the Data Gateway on surfaces that are sensitive to heat and/ or which
m ay be dam aged by the heat generated by the m odem , its power supply, or other
accessories.
FCC Part 15
This equipm ent has been tested and found to comply with the requirem ents for a Class B
digital device under Part 15 of the Federal Com m unications Comm ission (FCC) rules.
These requirem ents are intended to provide reasonable protection against harm ful
interference in a residential installation. This equipm ent generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with the instructions,
m ay cause harmful interference to radio com m unications. However, there is no guarantee
that interference will not occur in a particular installation. If this equipm ent does cause
harm ful interference to radio or television reception, which can be determ ined by turning
the equipm ent off and on, the user is encouraged to try to correct the interference by one
or more of the following m easures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipm ent and receiver.

Connect the equipm ent into an outlet on a circuit different from that to which the
receiver is connected.

Consult the dealer or an experienced radio/ TV technician for help.
W ARN IN G
Chan ges or m odifications to this equipm ent not expressly approved by the party responsible for
com pliance could void the user’s authority to operate the equipm ent.
RF Exposure
This equipm ent complies with FCC radiation exposure lim its set forth for an uncontrolled
environm ent. This equipm ent should be installed and operated with m inim um distance of
7.9 inches (20 cm) between the radiator and your body. This transm itter must not be colocated or operating in conjunction with any other antenna or transmitter.
Industry Canada Compliance
Under Industry Canada regulations, this radio transm itter m ay only operate using an
antenna of a type and m axim um (or lesser) gain approved for the transmitter by Industry
Canada. To reduce potential radio interference to other users, the antenna type and its gain
should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more
than that necessary for successful com m unication.
This device complies with Industry Canada license-exem pt RSS standard(s). Operation is
subject to the following two conditions: (1) this device m ay not cause interference, and (2)
this device must accept any interference, including interference that m ay cause undesired
operation of the device.
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Chapter 2: Safety Requirements
For Mexico
The operation of this equipm ent is subject to the following two conditions: (1) This
equipm ent or device cannot cause harm ful interference and (2) this equipm ent or device
m ust accept any interference, including interference that m ay cause som e unwanted
operation of the equipm ent.
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Chapt er 3
Getting Started
About Your New Data Gateway
The Touchstone DG1680 Data Gateway is DOCSIS com pliant with the following features:

Speed: much faster than dialup or ISDN service; up to twenty four tim es faster than
DOCSIS 2.0 cable m odem s.

Convenience: supports Ethernet and 80 2.11a/ b/ g/ n/ ac wireless connections; both can
be used sim ultaneously

Compatibility:
•
Data services: DOCSIS 3.0 com pliant and backward-com patible with DOCSIS 2.0
or 1.1; supports tiered data services (if offered by your cable company)
The DG1680 provides:

2.4 GHz radio and 5 GHz radio for wireless 80 2.11a/ b/ g/ n/ ac connectivity

Four Ethernet ports for connections to non-wireless devices

Integrated MoCA 2.0 hom e networking

DOCSIS 3.0 compliant

One USB host port (future support for external USB devices)
What's in the Box
Make sure you have the following item s before proceeding. Call your cable company for
assistance if anything is m issing.

Data Gateway

Power Cord

Wireless Connection Configuration Guide

Ethernet Cable

End User License Agreem ent
Items You Need
If you are installing the Data Gateway yourself, m ake sure you have the following item s on
hand before continuing:

D ata Gate w ay package : see What's in the Box (page 10 ) for a list of item s in the
package.
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Chapter 3: Getting Started

Co axial cable ( co ax) : This is a round cable with a connector on each end. It is the
sam e kind of wire used to connect to your television for cable TV. You can buy coax
from any electronics retailer and m any discount stores; m ake sure it has connectors on
both ends. There are two types of connectors, slip-on and screw-on; the screw-on
connectors are best for use with your Data Gateway. The coax should be long enough to
reach from your Data Gateway to the nearest cable outlet.
N o te : For best perform ance, use high-quality RG-6 type coax cable and m inim ize or
elim inate splitters between the cable jack and the Data Gateway.

Splitte r ( o ptio n al) : provides an extra cable connection by splitting a single outlet
into two. You m ay need a splitter if you have a TV already connected to the cable outlet
that you want to use. You can buy a splitter from any electronics retailer and m ost
discount stores; you m ay also need a short piece of coax cable (with connectors); use it
to connect the splitter to the cable outlet and then connect the Data Gateway and TV to
the splitter.
N o te : A splitter effectively cuts the signal in half and sends each half to its two outputs.
Using several splitters in a line m ay deteriorate the quality of your television, telephone, and/ or
internet conn ection.

In fo rm atio n packe t: your cable com pany should furnish you with a packet
containing inform ation about your service and how to set it up. Read this inform ation
carefully and contact your cable com pany if you have any questions.
Getting Service
Before trying to use your new Data Gateway, contact your local cable company to establish
an Internet account and telephone service. When you call, have the following inform ation
ready:

the Data Gateway serial num ber and cable MAC addresses of the unit (printed on the
Data Gateway)

the m odel num ber of the Data Gateway (printed on the Data Gateway)
If the Data Gateway was provided by your cable com pany, they already have the required
inform ation.
In addition, you should ask your cable com pany the following questions:
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
Do you have any special system requirem ents or files that I need to download after I
am connected?

When can I start using my Data Gateway?

Do I need a user ID or password to access the Internet or m y e-m ail?
System Requirements
The Touchstone Data Gateway operates with most computers. The following describes
requirem ents for each operating system; see the docum entation for your system for details
on enabling and configuring networking.
To use the Data Gateway, you need DOCSIS high-speed Internet service from your cable
company.
Recommended Hardware
The following hardware configuration is recommended. Computers not meeting this
configuration can still work with the DG1680 , but m ay not be able to m ake m axim um use
of DG1680 throughput.

CPU: P4, 3GHz or faster

RAM: 1GB or greater

Hard drive: 720 0 RPM or faster

Ethernet: Gig-E (10 0 0 BaseT)
Windows
Windows XP , Windows Vista, Windows 7, or Windows 8. A supported Ethernet or
wireless LAN connection m ust be available.
MacOS
System 7.5 to MacOS 9.2 (Open Transport recomm ended) or MacOS X. A supported
Ethernet or wireless LAN connection m ust be available.
Linux/ other Unix
Hardware drivers, TCP/ IP, and DHCP m ust be enabled in the kernel. A supported
Ethernet or wireless LAN connection m ust be available.
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About this Manual
This m anual covers the Touchstone DG1680 Data Gateway. The m odel num ber is on the
label affixed to the Data Gateway.
1. Model Number
2. Security Label
What about Security
Having a high-speed, always-on connection to the Internet requires a certain am ount of
responsibility to other Internet users—including the need to m aintain a reasonably secure
system . While no system is 10 0 % secure, you can use the following tips to enhance your
system ’s security:

Keep the operating system of your computer updated with the latest security patches.
Run the system update utility at least weekly.

Keep your em ail program updated with the latest security patches. In addition, avoid
opening em ail containing attachm ents, or opening files sent through chat room s,
whenever possible.

Install a virus checker and keep it updated.

Avoid providing web or file-sharing services over your Data Gateway. Besides certain
vulnerability problems, m ost cable com panies prohibit running servers on consum erlevel accounts and m ay suspend your account for violating your term s of service.

Use the cable com pany’s m ail servers for sending em ail.
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
Avoid using proxy software unless you are certain that it is not open for abuse by other
Internet users (som e are shipped open by default). Crim inals can take advantage of
open proxies to hide their identity when breaking into other com puters or sending
spam . If you have an open proxy, your cable com pany m ay suspend your account to
protect the rest of the network.

The DG1680 ships with wireless LAN security set by default (for the sam e reasons that
you should run only secured proxies). See the security label on your product for the
factory security settings. If you need to modify the default wireless security settings, see
Configuring Your Wireless Connection.
Ethernet or Wireless?
There are two ways to connect your computer (or other equipm ent) to the Data Gateway.
The following will help you decide which is best for you:
Eth e rn e t
Ethernet is a standard method of connecting two or more computers into a Local Area
Network (LAN). You can use the Ethernet connection if your computer has built-in
Ethernet hardware.
N o te : To conn ect m ore than four com puters to the DG1680 through the Ethern et ports, you
need an Ethern et hub (available at com puter retailers).
The Data Gateway package com es with one 4-foot (1.2m) Ethernet cable (the connectors
look like wide telephone connectors); you can purchase more cables if necessary at a
computer retailer. If you are connecting the Data Gateway directly to a com puter, or to an
Ethernet hub with a cross-over switch, ask for Category 5e (CAT5e) straight-through cable.
CAT5e cable is required for gigabit Ethernet (Gig-E), not regular CAT5 cable.
W ire le s s
Wireless access lets you connect additional (wireless-capable) devices to Data Gateway.
The 80 2.11 wireless LAN standard allows one or more com puters to access the DG1680
using a wireless (radio) signal. These connections are in addition to the connections
supported via Ethernet.
N o te : You can use the wireless connection if your com puter has a built-in or afterm arket
plug-in wireless adapter. To learn m ore about which wireless hardware works best with your
com puter, see your com puter dealer.
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Bo th
If you have two or m ore computers, you can use Ethernet for up to four devices and
wireless for the others. To connect five or more com puters to the Ethernet ports, you will
need an Ethernet hub (available at computer retailers.)
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Chapt er 4
Installing and Connecting your Data Gat eway
Before you start, m ake sure that:

You have contacted your cable company and verified that they provide data service
using standard DOCSIS technology.

You have all the Items You Need (page 10 ).

Cable and power outlets are available near the com puter. If a cable outlet is not
conveniently located, your cable company can install a new one.
If you have ordered service, your cable com pany should configure the Data Gateway
autom atically. You need only follow the instructions in this section to install and connect
the Data Gateway.
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Front Panel
The front of the Data Gateway has the following indicators.
1. Po w e r: indicates whether AC power is available to the unit.
2. U S/ D S: indicates upstream / downstream connectivity.
3. On lin e : indicates internet data transm ission status.
4. 2 .4 GH z: indicates the status of the 2.4 GHz wireless LAN.
5. 5 GH z: indicates the status of the 5 GHz wireless LAN.
6. Mo CA: indicates connectivity between the Data Gateway and other hom e devices
connected via the MoCA network.
7. W PS: indicates Wireless Protected Setup (WPS) is active.
8. W PS Bu tto n : begins associating the Data Gateway with a wireless device.
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9. U SB: USB host connector - future support for external USB devices.
Rear Panel
The rear of the Data Gateway has the following connectors and controls.
1. Re s e t bu tto n : resets the Data Gateway as if you power cycled the unit. Use a pointed
non-m etallic object to press this button.
2. Eth e rn e t ( 1 - 4 ) : connectors for use with a com puter LAN port.
3. Cable : connector for the coaxial cable.
4. Po w e r: connector for the power cord.
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Selecting an Installation Location
There are a num ber of factors to consider when choosing a location to install your Data
Gateway:

Is an AC outlet available nearby? For best results, the outlet should not be switched and
should be close enough to the Data Gateway that extension cords are not required.

Is a cable jack available? For best perform ance, keep the number of splitters between
the jack and cable drop to a m inim um. Each splitter attenuates (reduces) the signal
available to the Data Gateway. A large num ber of splitters can slow down the Internet
connection and even affect your telephone service.

If you are connecting devices to the Ethernet ports, can you easily run cables between
the Data Gateway’s location and those devices?

If you want to install the Data Gateway on a desktop, is there enough space on either
side to keep the vents clear? Blocking the vents may cause overheating.

How close are your wireless devices? The Data Gateway wireless connection range is
typically 10 0 – 20 0 feet (30 m – 65m). A num ber of factors can affect connection range,
as described below.
Desktop Mounting Instructions
Position the Data Gateway so that:

it stands vertically on its base (Do not lay it flat on its side.)

air flows freely around it

the back faces the nearest wall

it will not fall to the floor if bumped or moved

the ventilation holes on the sides of the unit are not blocked
Factors Affecting Wireless Range
A num ber of factors can affect the usable range for wireless connections.
Increases range

Decreases range

Raising the unit above the devices (for exam ple, installing the Data
Gateway in the upper floor of a m ulti-story dwelling)
 Adding a wireless extender to the network
Lowering the un it below the devices (for exam ple, installing the
Data Gateway in a basem en t)
 Metal or concrete walls between the Data Gateway and other
devices
 Large m etal appliances, aquarium s, or m etal cabinets between the
Data Gateway and other devices
 Interference and RF noise (2.4 GHz wireless phon es, m icrowave
ovens, or other wireless networks)
N o te : Note that decreasing the ran ge of your wireless network m ay be ben eficial, as long as
the decreased range is sufficient for your n eeds. By lim iting your network’s ran ge, you reduce
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interference with other n etworks and m ake it harder for unwanted users to find and connect to your
network.
N o te : Setting the transm it power level to High increases the ran ge. Settin g it to Medium or
Low decreases the range proportionately.
Connecting the Data Gateway
1. Connect one end of the coax cable to the cable outlet or splitter, and the other end to
the Data Gateway’s Cable connector (3 ). Tighten the connections by hand, then tighten
an additional 1/ 8 turn with a wrench.
N o te : For best perform ance, use high-quality coax cable and m in im ize or elim inate
splitters between the cable jack and the Data Gateway. If you are using MoCA for your hom e
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network, MoCA filters m ust be installed on any legacy client devices. Your cable com pany will
install these filters for you.
2. Insert the plug from the power cord into the Power connector on the back of the Data
Gateway (4 ) and insert the power cord into a convenient AC outlet.
The Power light on the front of the Data Gateway lights up, then flashes once (refer to
the LED tables shown in Using the Data Gateway). See Troubleshooting (page 34) if the
Power light does not turn on.
3. Connect one end of the Ethernet cable to any Ethernet port on the back of the Data
Gateway, (2 ) and the other end to the Ethernet port on a computer, hub, or broadband
router.
N o te : If you are connectin g to a com puter, use the Ethernet cable included in the Data
Gateway package.
Configuring Your Wireless Connection
The DG1680 ships with wireless LAN security set by default. See the security label on your
product for the factory security settings.
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N o te : You m ust set up your com puter and other client devices to work with the security
settings on the DG168 0 . Refer to the docum entation for your client device for instructions on setting
security. On m ost com puter system s you only need to select the network nam e (SSID) device and
enter the encryption key. If your com puter or client device supports Wi-Fi Alliance WPS (Wireless
Protected Setup), activate WPS on your com puter or client device and the DG168 0 sim ultaneously
to easily set up your system security.
1. Security Label
If you need to modify the Data Gateway’s default wireless security settings, or if you want
to configure any other wireless LAN settings, refer to the following instructions.
Accessing the Configuration Interface
Follow these steps to access the configuration interface. You should have already set up the
DG1680 as described in Installing and Connecting your Data Gateway (page 16).
1. If security has been properly set up on your computer to access the wireless LAN on the
DG1680 , use the connection utility for your operating system to connect to the wireless
LAN using its network nam e (SSID), as shown on the security label.
2. If you cannot access the wireless LAN, you m ust first establish a wired Ethernet
connection between your computer and the DG1680 .
3. In your web browser, open the page http:/ / 192.168.0 .1/ to access the wireless router
setup.
The Login screen display s.
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N o te : The default user nam e is “adm in ”. The default password is “password”, in lower
case letters.
4. Enter the user nam e and password and click the Apply button to log in.
The Sy stem Basic Setup screen display s.
5. Use the online help inform ation to set configuration param eters as required.
N o te : Most configuration param eters that you m ay want to set can be accessed on the
System Basic Setup screen , including the security m ode and setting a system password.
Setting Parental Controls
The Parental Control feature allows you to block specified keywords and web sites from
being accessed and also to specify trusted com puters in the network. Trusted computers
are not affected by the parental control settings.
Finding the MAC Address of a Computer
In order to set up trusted computers you m ust first determ ine the MAC address of those
computers.
Use the operating system of your com puter to find its MAC address, as follows:
W in d o w s : from the Start m enu, find and select the Control Panel. Double-click Network
Connections (Windows XP), or Network & Sharing Center (Windows Vista or Windows 7). Then
double-click either “Wireless Network Connection” for a wireless connection, or “Local
Area Connection” for an Ethernet connection. Next click the Details button (Windows Vista
or Windows 7), or click the Support tab and then the Details button (Windows XP). The
“Physical Address” line shows the MAC address.
MacOS X: open System Preferences and click the Network icon. To find the Ethernet
MAC address, select Built-in Ethernet from the Show drop-down, then click the Ethernet tab.
The “Ethernet ID” field shows the MAC address. To find the wireless MAC address, select
Airport from the Show drop-down, then click the Airport tab. The “Airport ID” field shows
the MAC address.
Lin u x: open a shell window and type / s b i n / i f c o n f i g (and press Enter). The wireless
interface is eth1 (unless there is no Ethernet adapter, in which case the interface is eth0).
Making Your Parental Control Settings
Follow these steps to set up your Parental Controls:
1. Access and log into the wireless configuration interface as explained in Accessing the
Configuration Interface.
2. Click the Firewall tab and then click Parental Controls in the side m enu to display the
Parental Controls screen.
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3. Check the Enable Parental Controls checkbox and click the Apply button.
4. Configure any or all of the following parental controls:
Tru s te d MAC Ad dre s s e s :
Enter the MAC addresses of any “trusted” computers on the network and click the Apply
button. You can add two trusted computers. Once added, these trusted computers will
not be affected by the parental control settings. For exam ple, you m ay want the
computers of the father and m other to be trusted, while the childrens’ computers have
parental controls in effect.
N o te : Refer to the Findin g the MAC Address of a Com puter (page 23) for inform ation
on determ inin g the MAC address of your com puter.
Ke yw o rd an d W e b Site Filte rin g:
You can add a list of keywords and web sites that you want to block. To add a keyword
or web site to the list, click the respective Add button. To delete a keyword or web site
from the list, first click its check box and then click the Delete button.
Add Keyword Filter Dialog Box
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Add Web Site Filter Dialog Box
Ad din g a Ke yw o rd o r W e b Site Filte r
a. Enter the keyword in the Keyword field or web site URL address in the Web Site
field.
b. Click the checkboxes for the days you want access blocked, or click the All Week
checkbox for all week.
c. Set the start tim e and end tim e during the specified days (24-hour clock). (0 :0 0
until 0 :0 0 indicates all day, or just click the All Day checkbox.)
d. Click the Add Keyword Filter or Add Web Site Filter button respectively. Then click the Apply
button.
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Chapt er 5
Configuring Your Ethernet Connection
If your com puter is equipped with a LAN card providing an Ethernet connection, you m ay
have to configure your com puter’s TCP/ IP settings. The steps that follow will guide you
through setting your computer’s TCP/ IP settings to work with the Data Gateway.
Requirements
Make sure you have the following before attem pting to configure your Ethernet
connection:

Computer with Ethernet interface

Ethernet cable (supplied)

IP address, subnet, gateway, and DNS inform ation for installations not using DHCP
How to use this Chapter
The following list shows the procedures for m odifying the TCP/ IP settings on the
computer. The procedure is slightly different depending on the operating system that you
are using. Please ensure you are using the correct steps for the operating system on your
computer. Follow the links below for instructions to configure your Ethernet connection on
your operating system .

TCP/ IP Configuration for Windows XP (page 26)

TCP/ IP Configuration for Windows Vista (page 27)

TCP/ IP Configuration for Windows 7 or Windows 8 (page 27)

TCP/ IP Configuration for MacOS X (page 28)
TCP/ IP Configuration for Windows XP
Follow these steps to configure the Ethernet interface on a Windows XP operating system.
TCP/ IPv6 N o te : This procedure shows the configuration of TCP/ IPv4. TCP/ IPv6 is not
installed or enabled by default in Windows XP. If your cable provider requires TCP/ IPv6 you m ust
first install and enable it on your Windows XP system . Refer to Microsoft support m aterials on
Windows XP for installation instructions. Once installed and enabled, follow this sam e
configuration exam ple, but select TCP/ IPv6 at the appropriate step.
1. From the computer, select Start > Settings > Control Panel and double-click Network Connections
in the Control Panel.
The N etw ork Connection w indow display s a list of LAN connections and associated
netw ork adapters.
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2. Double-click the local area connection to be used for your device’s network connection.
The Local Area Connection Status w idow displays.
3. Click Properties.
4. Select TCP/IP by clicking it one tim e. Then click Properties.
5. Click the General tab. Then click Obtain an IP address automatically and click OK.
6. Click OK to accept the new settings, and OK again to close the Properties window.
7. You m ay have to restart your computer in order for your computer to obtain a new IP
address from the network.
TCP/ IP Configuration for Windows Vista
Follow these steps to configure the Ethernet interface on a Windows Vista operating
system .
1. Open the Vista Control Panel.
2. Double-click Network and Sharing Center to display the Network and Sharing Center
Window.
3. Click Manage network connections. If prompted for a connection, choose Local Area Connection.
The N etw ork Connections w indow display s.
4. Double-click the Local Area Connection to open the Properties window:
N o te : If Windows requests perm ission to continue, click Continue.
5. Double-click Internet Protocol Version 4 (TCP/IPv4) to configure TCP/ IPv4.
N o te : If your cable provider requires TCP/ IP version 6, double-click Internet Protocol
Version 6 (TCP/IPv6) to configure TCP/ IPv6.
The TCP/ IP properties w indow for the version y ou selected display s.
6. For either TCP/ IPv4 or TCP/ IPv6, select Obtain an IP address automatically and Obtain DNS
server address automatically, unless instructed otherwise by your cable provider.
7. Click OK to accept the new settings and close the Properties window.
TCP/ IP Configuration for Windows 7 or Windows 8
Follow these steps to configure the Ethernet interface on a Windows 7 or Windows 8
operating system .
1. Open the Windows Control Panel.
2. Click Network and Internet.
3. Click Network and Sharing Center.
4. Click Local Area Connection to open the Status window.
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5. Click Properties to open the Properties window.
6. Select Internet Protocol Version 4 (TCP/IPv4) and click Properties to configure TCP/ IPv4.
N o te : If your cable provider requires TCP/ IP version 6, select Internet Protocol Version 6
(TCP/IPv6) and click Properties to configure TCP/ IPv6.
The TCP/ IP properties w indow for the version y ou selected display s.
7. For either TCP/ IPv4 or TCP/ IPv6, select Obtain an IP address automatically and Obtain DNS
server address automatically, unless instructed otherwise by your cable provider.
8. Click OK to accept the new settings and close the Properties window. Then click Close to
back out of the rem aining setup screens.
TCP/ IP Configuration for MacOS X
Follow these steps to configure the Ethernet interface on a MacOS X operating system .
1. Open System Preferences, either by choosing System Preferences from the Apple m enu or
by clicking the System Preferences icon in the dock.
2. Click the Network icon.
3. Choose Automatic from the Location drop-down m enu, and Built-in Ethernet from the Show
m enu.
4. Choose the TCP/ IP tab, if necessary.
If you are using TCP/IPv4, go to s te p 5.
If your cable provider requires TCP/IPv6, go to s te p 8 .
5. Choose Using DHCP from the Configure IPv4 m enu.
6. If necessary, click the Renew DHCP Lease button.
7. Close the System Properties application.
TCP/ IPv4 configuration is com pleted.
8. If you are using TCP/ IPv6, click Configure IPv6 near the bottom of the previous window.
9. Choose Automatically from the Configure IPv6 drop-down m enu and click OK.
10 . Close the System Properties application.
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Chapt er 6
Using the Data Gateway
This chapter describes the controls and features available on the Data Gateway, and covers
basic troubleshooting procedures.

Setting up Your Com puter to Use the Data Gateway (page 29)

Indicator Lights for the DG1680 (page 30 )

Using the Reset Button (page 32)

Resetting the Router to Factory Defaults (page 33)
Setting up Your Computer to Use the Data Gateway
Follow the instructions in the inform ation packet supplied by your cable com pany. Contact
your cable company if you need help setting up your com puter.
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Indicator Lights for the DG1680
The Data Gateway has LED indicator lights to assist in troubleshooting.
1. Power
2. US/ DS
3. Onlin e
4. 2.4 GHz WiFi
5. 5 GHz Wi-Fi
6. MoCA
7. WPS
8. WPS Button
9. USB port
Patterns: Normal Operation (LAN)
The following table shows light patterns for the Ethernet, MoCA and wireless LANs during
norm al operation.
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Mode
AC Power
Ethernet
(LEDs on rear
panel
connector)
2. 4G Wi-Fi / 5G
Wi-Fi
MoCA
Gre e n LED On = On = Wi-Fi enabled
Com puter with
1Gbps port
Flas h = Com puter
connected
activity
On = MoCA
enabled and
MoCA network
device attached
Off = Wi-Fi disabled
Flas h = MoCA
network device
activity/ traffic
Am be r LED On
= Com puter with
10 0
Mbps/ 10 Mbps
port connected
Off = MoCA
disabled or no
MoCA network
device attached
Am be r/ Gre e n
LED Flas h =
Com puter activity
Bo th LED s Off =
Com puter not
connected
No AC Power
Off
Off
Off
Firm ware
Upgrade
(norm al
operation )
(norm al operation)
(norm al
operation )
Patterns: Normal Operation (WAN)
The following table shows light patterns during norm al operation.
Mode
Power
US/ DS
Online
AC Power Good
On
On = Con nected
to the Internet
On = Internet
available
Flas h = Not
connected to the
Internet
Off = Internet not
available
No AC Power
Off
Off
Off
Firm ware
Upgrade
On
Flas h
On
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Cable Modem Startup Sequence
US/ DS
Online
Description
Slo w Flas h
(1/ second)
Off
Downstream acquisition in progress
On
(until
Upstream
acquisition
starts)
Off
Downstream acquisition com pleted
Fas t Flas h
(3/ second)
Off
Upstream acquisition in progress
Slo w Flas h
(during
acquisition)
On
On (when
m odem IP
address
obtained)
Upstream acquisition com pleted, ready for
service
Using the Reset Button
Use the Re s e t button (1), on the back of the Data Gateway, to reset the m odem and
perform initialization as if you power cycled the unit. You m ay need to reset the Data
Gateway if you are having problem s connecting to the Internet. Using this button will be
rare.
Use a pointed n o n -m e tallic object to press this button. The Re s e t button is recessed to
prevent accidental resets.
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1. Reset button
2. Ethernet (1 - 4)
3. Cable
4. Power
Resetting the Router to Factory Defaults
To reset the router to factory defaults, press and hold the Re s e t button (1) on the back of
the Data Gateway for more than fifteen seconds. This restores the wireless setup
configuration and router configuration param eters to the factory defaults. You m ay need to
do this if a m isconfiguration has locked out all access.
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Chapt er 7
Troubleshooting
The Data Gateway is plugged in, but the Power light is Off
Check all power connections. Is the power cord plugged in firm ly at both ends?
If you plugged the power cord into a power strip, m ake sure the strip is switched on.
Avoid using an outlet controlled by a wall switch, if possible.
Finally, check the fuse or circuit breaker panel.
I'm not getting on the Internet (all connections)
It m ay take over 30 m inutes to establish a connection the first tim e you power up your
Data Gateway, especially when m any people are online. Always leave your Data Gateway
plugged into AC power and connected to the cable system .
Check the front panel lights:

The Po w e r and On lin e lights should be on.

If the Po w e r light blinks for more than 30 m inutes, call your cable com pany for
assistance.
Check your cable connections. Connectors should be tight. The coax cable should not be
pinched, kinked, or bent sharply—any of these can cause a break or short in the cable (you
m ay have to replace the cable). If you have one or m ore splitters between the Data Gateway
and CATV outlet, remove the splitters and connect the Data Gateway directly to the outlet.
Proceed to the Ethernet or wireless solutions if necessary.
I'm not getting on the Internet (Ethernet)
If you are using a hub, is the hub turned on?
Are you using the right type of Ethernet cable? Use the supplied cable for direct connection
to a com puter; use a cross-over cable for connection to a hub.
Press the Re s e t button on the back of the Data Gateway.
A m isconfiguration could lock out all access to the Data Gateway router. If you think this
has happened, see Resetting the Router to Factory Defaults (page 33).
I'm not getting on the Internet (Wireless)
Check the indicator lights, see Using the Data Gateway — the Wi-Fi light should be on.
Does your connection utility discover your wireless LAN? If you turned off “Broadcast
SSID” you need to m anually enter the nam e of your wireless LAN in the connection utility.
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Chapter 7: Troubleshooting
Change your security mode to “disabled”. Enable one of the other security m odes as soon
as you find the problem .
A m isconfiguration could lock out all access to the Data Gateway router. If you think this
has happened, see Resetting the Router to Factory Defaults (page 33).
My wireless Internet connection stops working sometimes
This is usually caused by interference. Two com mon sources are 2.4GHz “rem ote”
telephones and m icrowave ovens. If you cannot rem ove the interfering product, try using a
different channel or setting Protected Mode.
I can get on the Internet, but everything is slow
If the Web site you are visiting is very popular, that site m ay be having trouble servicing all
the requests. If other sites download quickly, wait for a few m inutes and try again. Usage
during peak hours m ay also affect the connection speed.
Other com munications on the LAN, or interference with wireless connections, m ay slow
down the connection.
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Touchstone DG168 0 Data Gatew ay User Guide 35
DOCSIS
Glossary
Category 5e (Cat5e)
A high-quality type of cable, used for
gigabit Ethernet (10 0 0 BaseT)
connections. When purchasing Ethernet
cables, always look for Category 5e cable.
Coaxial cable (coax)
A thin wire, used to connect your
television and Data Gateway to the cable
TV system . You can buy coax from any
electronics retailer and m any discount
stores.
CPE
Custom er Prem ise Equipm ent. This is the
equipm ent that is plugged in to the Data
Gateway; typically a computer or hub.
Cross-over
An Ethernet cable used to connect two
hubs (or a hub and a cable m odem )
together. Also, som e Ethernet hubs m ay
have built-in cross-over on one or more
ports (which elim inates the need for a
cross-over cable).
Data Over Cable System Interface
Specification. The interoperability
standards used for data com m unications
equipm ent on an HFC network.
Downst ream
In an HFC network, the direction from
the head-end to the subscriber. Som e
older cable docum entation m ay refer to
this as the forward path.
EMTA
Em bedded Multim edia Term inal
Adapter. An MTA device that is
integrated with a cable m odem .
Ethernet
A standard m ethod of connecting two or
m ore computers into a Local Area
Network (LAN).
EuroDOCSIS
The European version of DOCSIS.
Event
An inform ational m essage used for
m onitoring network status.
DHCP
Dynam ic Host Configuration Protocol.
An IP protocol used to provide an IP
address and location of services (such as
DNS and TFTP) needed by a device
connecting to the network. DHCP allows
the cable company to configure your
computer’s networking software for you.
DNS
Dom ain Nam e Service (Server). An IP
service that associates a dom ain nam e
(such as www.exam ple.com ) with an IP
address.
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F-connector
The type of connector used on coax cable.
There are two com mon types of Fconnector, slip-on and screw-on. Use
coax with screw-on connectors for
connecting your Data Gateway.
Firewall
A hardware or software device that
prevents unauthorized access to a private
network from the Internet. The DG1680
provides a built-in firewall.
Touchstone DG168 0 Data Gatew ay User Guide 36
G
Gateway
MAC address
The device, usually a router, that
connects devices on a given IP subnet to
other IP subnets.
A num ber that uniquely identifies any
device connected to a network. Your
cable company uses your Data Gateway’s
MAC address to authorize access to the
Internet. The MAC address is printed on
a label on the bottom of your Data
Gateway.
Headend
The “central office” in an HFC network.
The headend houses both video and data
equipm ent. In larger cable networks, a
“m aster” headend often feeds several
“rem ote” headends to provide distributed
services.
Protocol
A set of rules and form ats that
determ ines the comm unication behavior
of network entities at a given layer.
HTTP
HyperText Transfer Protocol.
Hub
A box with several Ethernet connectors.
Ethernet hubs provide a com mon point of
contact for all connected devices.
IP address
A num ber assigned to your com puter by
your cable company, used to identify your
computer to other system s on the
Internet.
Proxy
A device or program that stands in
between a server (for exam ple, a web site)
and a client (your browser), providing a
way to relieve som e of the burden from
the server. For exam ple, your cable
company m ay have a web proxy that
keeps copies of popular web pages; the
proxy can send you those pages instead of
fetching them directly from the web site,
resulting in faster page loading and less
network congestion.
RF
LAN
Local Area Network. A network that
allows com puters in a single location
(such as a building) to com m unicate with
one another.
LED
Light Emitting Diode. A sem i-conductor
diode that em its light when current is
passed through it.
Abbreviation for Radio Frequency. Som e
literature refers to coax as “RF cable” and
the connectors as “RF connectors.”
RJ-45
A standard 8-conductor m odular
connector, comm only used on Ethernet
cable. An RJ -45 connector looks like a
wide RJ -11 (telephone) connector.
Splitter
A sm all box with three cable connectors:
one input and two outputs. You m ay need
a splitter if you have a TV already
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Touchstone DG168 0 Data Gatew ay User Guide 37
connected to the cable outlet that you
want to use for your Data Gateway. You
can buy a splitter from any electronics
retailer and m ost discount stores.
SSID
Service Set IDentifier. A string of text (up
to 32 characters long) that uniquely
identifies a wireless LAN.
Switched outlet
A power outlet that m ay be turned on and
off using a wall switch. Usually intended
for lamps. Avoid plugging your computer
or Data Gateway into a switched outlet to
avoid disruptions.
TCP/ IP
Transm ission Control Protocol/ Internet
Protocol. The protocols used to facilitate
com munications across one or m ore
connected networks.
TDMA
Tim e Division Multiple Access. A m ethod
used by DOCSIS-com pliant cable
m odems for sending upstream data with
m inim al interference.
Upst ream
The path from a subscriber device to the
headend. Som e older cable
docum entation m ay refer to this as the
return path or reverse path.
WEP
Wired Equivalent Privacy. A com m on
standard for encrypting data sent over a
wireless LAN.
WPA
Wi-fi Protected Access. A standard for
encrypting data sent over a wireless LAN.
WPA offers im proved security over WEP.
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Touchstone DG168 0 Data Gatew ay User Guide 38
Touchstone DG1680 Data Gateway User Guide
Corporate Headquarters
ARRIS · Suwanee · Georgia · 300 24 · USA
T: 1-678-473-20 0 0 F: 1-678-473-8470
www.arris.com

---

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Subject                         : Release 16 STANDARD 1.3    March 2015
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